(a) 協助土地測量師管理和督導立體雷射掃描測量小組(小組)；管理及在技術上指導測量主任和丈量員進行古蹟、歷史建築物及構築物的立體雷射掃描測量工作；在工作設計方面提供技術支援；及聯絡其他政府人員、承辦商、供應商、賣方及業主，以執行測量工作項目。 (b) 處理小組的一般行政事務(如運輸、物料、辦公室存檔)及人事及紀律事宜(如監督和確保測量人員的紀律，提供意見和輔導測量人員，以及監察工作表現和測量的工作量等。 (c) 負責管理儀器，按照品質規格監察測量儀器的控制、使用、維修、保養及校準，並在有需要時鑒定測量儀器的要求。 (d) 檢查測量小隊(小隊由測量主任與丈量員組成)所完成的工作；監察小隊的測量工作的完成情況及精確度，並確保其能符合標準及依時完成；協助土地測量師策劃和執行測量工作；向測量人員提供技術意見，以確保測量工作達到高水平。 (e) 擔任電腦系統的系統管理員，例如監察和操作電腦系統及應用軟件，確保計算檔案系統及辦公室記錄備存妥當；並妥善記錄所有測量檔案數據，以便翻查等。 (f) 監督及確保測量人員的紀律，確保其行為符合相關的規例及指引；參與策劃和統籌測量人員所需的培訓。

(a) To assist Land Surveyor in the management and supervision of the 3D Laser Scanning Survey Unit (the Unit); to act as a team leader and technical adviser of Survey Officers and Chainmen on 3D laser scanning survey works for monuments, historic buildings and structures; to provide technical support on job design; and to liaise with other government officers, contractors, suppliers, vendors and owners in executing the survey projects. (b) To handle general administration matters (such as transport, stores, office records) and personnel and discipline matters (such as supervising and maintaining discipline amongst survey staff, advising and counseling of survey staff as well as monitoring of performance and survey outputs) of the Unit. (c) To act as equipment manager by overseeing the control, usage, repair, maintenance and calibration of survey equipment according to quality specifications and identifying requirements of survey equipment, if necessary. (d) To check works done by the Survey Team comprising of Survey Officers and Chainmen; to monitor the completeness, relevance, accuracy, standard and time-frame of all survey functions performed by the Survey Team; to assist Land Surveyor in the planning and execution of survey work; and to give technical advice to survey staff to ensure a high survey standard. (e) To act as system administrator of computing systems, such as overseeing and operating computer systems and application software, ensuring that computation folder system and office records are maintained properly; keeping all survey record data in good order and traceable etc.. (f) To supervise and maintain discipline amongst survey staff by ensuring that they act in compliance with relevant regulations and guidelines; and to participate in planning and coordinating the training requirements of survey staff.